package adapter



import (
   "sync"
   "github.com/muka/go-bluetooth/bluez"
   "github.com/muka/go-bluetooth/util"
   "github.com/muka/go-bluetooth/props"
   "github.com/godbus/dbus"
   "fmt"
)

var Adapter1Interface = "org.bluez.Adapter1"


// NewAdapter1 create a new instance of Adapter1
//
// Args:
// - objectPath: [variable prefix]/{hci0,hci1,...}
func NewAdapter1(objectPath dbus.ObjectPath) (*Adapter1, error) {
	a := new(Adapter1)
	a.client = bluez.NewClient(
		&bluez.Config{
			Name:  "org.bluez",
			Iface: Adapter1Interface,
			Path:  dbus.ObjectPath(objectPath),
			Bus:   bluez.SystemBus,
		},
	)
	
	a.Properties = new(Adapter1Properties)

	_, err := a.GetProperties()
	if err != nil {
		return nil, err
	}
	
	return a, nil
}

// NewAdapter1FromAdapterID create a new instance of Adapter1
// adapterID: ID of an adapter eg. hci0
func NewAdapter1FromAdapterID(adapterID string) (*Adapter1, error) {
	a := new(Adapter1)
	a.client = bluez.NewClient(
		&bluez.Config{
			Name:  "org.bluez",
			Iface: Adapter1Interface,
			Path:  dbus.ObjectPath(fmt.Sprintf("/org/bluez/%s", adapterID)),
			Bus:   bluez.SystemBus,
		},
	)
	
	a.Properties = new(Adapter1Properties)

	_, err := a.GetProperties()
	if err != nil {
		return nil, err
	}
	
	return a, nil
}


/*
Adapter1 Adapter hierarchy

*/
type Adapter1 struct {
	client     				*bluez.Client
	propertiesSignal 	chan *dbus.Signal
	objectManagerSignal chan *dbus.Signal
	objectManager       *bluez.ObjectManager
	Properties 				*Adapter1Properties
}

// Adapter1Properties contains the exposed properties of an interface
type Adapter1Properties struct {
	lock sync.RWMutex `dbus:"ignore"`

	/*
	Class The Bluetooth class of device.

			This property represents the value that is either
			automatically configured by DMI/ACPI information
			or provided as static configuration.
	*/
	Class uint32

	/*
	Powered Switch an adapter on or off. This will also set the
			appropriate connectable state of the controller.

			The value of this property is not persistent. After
			restart or unplugging of the adapter it will reset
			back to false.
	*/
	Powered bool

	/*
	DiscoverableTimeout The discoverable timeout in seconds. A value of zero
			means that the timeout is disabled and it will stay in
			discoverable/limited mode forever.

			The default value for the discoverable timeout should
			be 180 seconds (3 minutes).
	*/
	DiscoverableTimeout uint32

	/*
	UUIDs List of 128-bit UUIDs that represents the available
			local services.
	*/
	UUIDs []string

	/*
	Alias The Bluetooth friendly name. This value can be
			changed.

			In case no alias is set, it will return the system
			provided name. Setting an empty string as alias will
			convert it back to the system provided name.

			When resetting the alias with an empty string, the
			property will default back to system name.

			On a well configured system, this property never
			needs to be changed since it defaults to the system
			name and provides the pretty hostname. Only if the
			local name needs to be different from the pretty
			hostname, this property should be used as last
			resort.
	*/
	Alias string

	/*
	AddressType The Bluetooth  Address Type. For dual-mode and BR/EDR
			only adapter this defaults to "public". Single mode LE
			adapters may have either value. With privacy enabled
			this contains type of Identity Address and not type of
			address used for connection.

			Possible values:
				"public" - Public address
				"random" - Random address
	*/
	AddressType string

	/*
	Name The Bluetooth system name (pretty hostname).

			This property is either a static system default
			or controlled by an external daemon providing
			access to the pretty hostname configuration.
	*/
	Name string

	/*
	Discoverable Switch an adapter to discoverable or non-discoverable
			to either make it visible or hide it. This is a global
			setting and should only be used by the settings
			application.

			If the DiscoverableTimeout is set to a non-zero
			value then the system will set this value back to
			false after the timer expired.

			In case the adapter is switched off, setting this
			value will fail.

			When changing the Powered property the new state of
			this property will be updated via a PropertiesChanged
			signal.

			For any new adapter this settings defaults to false.
	*/
	Discoverable bool

	/*
	Pairable Switch an adapter to pairable or non-pairable. This is
			a global setting and should only be used by the
			settings application.

			Note that this property only affects incoming pairing
			requests.

			For any new adapter this settings defaults to true.
	*/
	Pairable bool

	/*
	PairableTimeout The pairable timeout in seconds. A value of zero
			means that the timeout is disabled and it will stay in
			pairable mode forever.

			The default value for pairable timeout should be
			disabled (value 0).
	*/
	PairableTimeout uint32

	/*
	Discovering Indicates that a device discovery procedure is active.
	*/
	Discovering bool

	/*
	Modalias Local Device ID information in modalias format
			used by the kernel and udev.
	*/
	Modalias string

	/*
	Address The Bluetooth device address.
	*/
	Address string

}

//Lock access to properties
func (p *Adapter1Properties) Lock() {
	p.lock.Lock()
}

//Unlock access to properties
func (p *Adapter1Properties) Unlock() {
	p.lock.Unlock()
}






// GetClass get Class value
func (a *Adapter1) GetClass() (uint32, error) {
	v, err := a.GetProperty("Class")
	if err != nil {
		return uint32(0), err
	}
	return v.Value().(uint32), nil
}




// SetPowered set Powered value
func (a *Adapter1) SetPowered(v bool) error {
	return a.SetProperty("Powered", v)
}



// GetPowered get Powered value
func (a *Adapter1) GetPowered() (bool, error) {
	v, err := a.GetProperty("Powered")
	if err != nil {
		return false, err
	}
	return v.Value().(bool), nil
}




// SetDiscoverableTimeout set DiscoverableTimeout value
func (a *Adapter1) SetDiscoverableTimeout(v uint32) error {
	return a.SetProperty("DiscoverableTimeout", v)
}



// GetDiscoverableTimeout get DiscoverableTimeout value
func (a *Adapter1) GetDiscoverableTimeout() (uint32, error) {
	v, err := a.GetProperty("DiscoverableTimeout")
	if err != nil {
		return uint32(0), err
	}
	return v.Value().(uint32), nil
}






// GetUUIDs get UUIDs value
func (a *Adapter1) GetUUIDs() ([]string, error) {
	v, err := a.GetProperty("UUIDs")
	if err != nil {
		return []string{}, err
	}
	return v.Value().([]string), nil
}




// SetAlias set Alias value
func (a *Adapter1) SetAlias(v string) error {
	return a.SetProperty("Alias", v)
}



// GetAlias get Alias value
func (a *Adapter1) GetAlias() (string, error) {
	v, err := a.GetProperty("Alias")
	if err != nil {
		return "", err
	}
	return v.Value().(string), nil
}






// GetAddressType get AddressType value
func (a *Adapter1) GetAddressType() (string, error) {
	v, err := a.GetProperty("AddressType")
	if err != nil {
		return "", err
	}
	return v.Value().(string), nil
}






// GetName get Name value
func (a *Adapter1) GetName() (string, error) {
	v, err := a.GetProperty("Name")
	if err != nil {
		return "", err
	}
	return v.Value().(string), nil
}




// SetDiscoverable set Discoverable value
func (a *Adapter1) SetDiscoverable(v bool) error {
	return a.SetProperty("Discoverable", v)
}



// GetDiscoverable get Discoverable value
func (a *Adapter1) GetDiscoverable() (bool, error) {
	v, err := a.GetProperty("Discoverable")
	if err != nil {
		return false, err
	}
	return v.Value().(bool), nil
}




// SetPairable set Pairable value
func (a *Adapter1) SetPairable(v bool) error {
	return a.SetProperty("Pairable", v)
}



// GetPairable get Pairable value
func (a *Adapter1) GetPairable() (bool, error) {
	v, err := a.GetProperty("Pairable")
	if err != nil {
		return false, err
	}
	return v.Value().(bool), nil
}




// SetPairableTimeout set PairableTimeout value
func (a *Adapter1) SetPairableTimeout(v uint32) error {
	return a.SetProperty("PairableTimeout", v)
}



// GetPairableTimeout get PairableTimeout value
func (a *Adapter1) GetPairableTimeout() (uint32, error) {
	v, err := a.GetProperty("PairableTimeout")
	if err != nil {
		return uint32(0), err
	}
	return v.Value().(uint32), nil
}






// GetDiscovering get Discovering value
func (a *Adapter1) GetDiscovering() (bool, error) {
	v, err := a.GetProperty("Discovering")
	if err != nil {
		return false, err
	}
	return v.Value().(bool), nil
}






// GetModalias get Modalias value
func (a *Adapter1) GetModalias() (string, error) {
	v, err := a.GetProperty("Modalias")
	if err != nil {
		return "", err
	}
	return v.Value().(string), nil
}






// GetAddress get Address value
func (a *Adapter1) GetAddress() (string, error) {
	v, err := a.GetProperty("Address")
	if err != nil {
		return "", err
	}
	return v.Value().(string), nil
}



// Close the connection
func (a *Adapter1) Close() {
	
	a.unregisterPropertiesSignal()
	
	a.client.Disconnect()
}

// Path return Adapter1 object path
func (a *Adapter1) Path() dbus.ObjectPath {
	return a.client.Config.Path
}

// Client return Adapter1 dbus client
func (a *Adapter1) Client() *bluez.Client {
	return a.client
}

// Interface return Adapter1 interface
func (a *Adapter1) Interface() string {
	return a.client.Config.Iface
}

// GetObjectManagerSignal return a channel for receiving updates from the ObjectManager
func (a *Adapter1) GetObjectManagerSignal() (chan *dbus.Signal, func(), error) {

	if a.objectManagerSignal == nil {
		if a.objectManager == nil {
			om, err := bluez.GetObjectManager()
			if err != nil {
				return nil, nil, err
			}
			a.objectManager = om
		}

		s, err := a.objectManager.Register()
		if err != nil {
			return nil, nil, err
		}
		a.objectManagerSignal = s
	}

	cancel := func() {
		if a.objectManagerSignal == nil {
			return
		}
		a.objectManagerSignal <- nil
		a.objectManager.Unregister(a.objectManagerSignal)
		a.objectManagerSignal = nil
	}

	return a.objectManagerSignal, cancel, nil
}


// ToMap convert a Adapter1Properties to map
func (a *Adapter1Properties) ToMap() (map[string]interface{}, error) {
	return props.ToMap(a), nil
}

// FromMap convert a map to an Adapter1Properties
func (a *Adapter1Properties) FromMap(props map[string]interface{}) (*Adapter1Properties, error) {
	props1 := map[string]dbus.Variant{}
	for k, val := range props {
		props1[k] = dbus.MakeVariant(val)
	}
	return a.FromDBusMap(props1)
}

// FromDBusMap convert a map to an Adapter1Properties
func (a *Adapter1Properties) FromDBusMap(props map[string]dbus.Variant) (*Adapter1Properties, error) {
	s := new(Adapter1Properties)
	err := util.MapToStruct(s, props)
	return s, err
}

// ToProps return the properties interface
func (a *Adapter1) ToProps() bluez.Properties {
	return a.Properties
}

// GetProperties load all available properties
func (a *Adapter1) GetProperties() (*Adapter1Properties, error) {
	a.Properties.Lock()
	err := a.client.GetProperties(a.Properties)
	a.Properties.Unlock()
	return a.Properties, err
}

// SetProperty set a property
func (a *Adapter1) SetProperty(name string, value interface{}) error {
	return a.client.SetProperty(name, value)
}

// GetProperty get a property
func (a *Adapter1) GetProperty(name string) (dbus.Variant, error) {
	return a.client.GetProperty(name)
}

// GetPropertiesSignal return a channel for receiving udpdates on property changes
func (a *Adapter1) GetPropertiesSignal() (chan *dbus.Signal, error) {

	if a.propertiesSignal == nil {
		s, err := a.client.Register(a.client.Config.Path, bluez.PropertiesInterface)
		if err != nil {
			return nil, err
		}
		a.propertiesSignal = s
	}

	return a.propertiesSignal, nil
}

// Unregister for changes signalling
func (a *Adapter1) unregisterPropertiesSignal() {
	if a.propertiesSignal != nil {
		a.propertiesSignal <- nil
		a.propertiesSignal = nil
	}
}

// WatchProperties updates on property changes
func (a *Adapter1) WatchProperties() (chan *bluez.PropertyChanged, error) {
	return bluez.WatchProperties(a)
}

func (a *Adapter1) UnwatchProperties(ch chan *bluez.PropertyChanged) error {
	return bluez.UnwatchProperties(a, ch)
}




/*
StartDiscovery 
			This method starts the device discovery session. This
			includes an inquiry procedure and remote device name
			resolving. Use StopDiscovery to release the sessions
			acquired.

			This process will start creating Device objects as
			new devices are discovered.

			During discovery RSSI delta-threshold is imposed.

			Possible errors: org.bluez.Error.NotReady
					 org.bluez.Error.Failed


*/
func (a *Adapter1) StartDiscovery() error {
	
	return a.client.Call("StartDiscovery", 0, ).Store()
	
}

/*
StopDiscovery 
			This method will cancel any previous StartDiscovery
			transaction.

			Note that a discovery procedure is shared between all
			discovery sessions thus calling StopDiscovery will only
			release a single session.

			Possible errors: org.bluez.Error.NotReady
					 org.bluez.Error.Failed
					 org.bluez.Error.NotAuthorized


*/
func (a *Adapter1) StopDiscovery() error {
	
	return a.client.Call("StopDiscovery", 0, ).Store()
	
}

/*
RemoveDevice 
			This removes the remote device object at the given
			path. It will remove also the pairing information.

			Possible errors: org.bluez.Error.InvalidArguments
					 org.bluez.Error.Failed


*/
func (a *Adapter1) RemoveDevice(device dbus.ObjectPath) error {
	
	return a.client.Call("RemoveDevice", 0, device).Store()
	
}

/*
SetDiscoveryFilter 
			This method sets the device discovery filter for the
			caller. When this method is called with no filter
			parameter, filter is removed.

			Parameters that may be set in the filter dictionary
			include the following:

			array{string} UUIDs

				Filter by service UUIDs, empty means match
				_any_ UUID.

				When a remote device is found that advertises
				any UUID from UUIDs, it will be reported if:
				- Pathloss and RSSI are both empty.
				- only Pathloss param is set, device advertise
				  TX pwer, and computed pathloss is less than
				  Pathloss param.
				- only RSSI param is set, and received RSSI is
				  higher than RSSI param.

			int16 RSSI

				RSSI threshold value.

				PropertiesChanged signals will be emitted
				for already existing Device objects, with
				updated RSSI value. If one or more discovery
				filters have been set, the RSSI delta-threshold,
				that is imposed by StartDiscovery by default,
				will not be applied.

			uint16 Pathloss

				Pathloss threshold value.

				PropertiesChanged signals will be emitted
				for already existing Device objects, with
				updated Pathloss value.

			string Transport (Default "auto")

				Transport parameter determines the type of
				scan.

				Possible values:
					"auto"	- interleaved scan
					"bredr"	- BR/EDR inquiry
					"le"	- LE scan only

				If "le" or "bredr" Transport is requested,
				and the controller doesn't support it,
				org.bluez.Error.Failed error will be returned.
				If "auto" transport is requested, scan will use
				LE, BREDR, or both, depending on what's
				currently enabled on the controller.

			bool DuplicateData (Default: true)

				Disables duplicate detection of advertisement
				data.

				When enabled PropertiesChanged signals will be
				generated for either ManufacturerData and
				ServiceData everytime they are discovered.

			When discovery filter is set, Device objects will be
			created as new devices with matching criteria are
			discovered regardless of they are connectable or
			discoverable which enables listening to
			non-connectable and non-discoverable devices.

			When multiple clients call SetDiscoveryFilter, their
			filters are internally merged, and notifications about
			new devices are sent to all clients. Therefore, each
			client must check that device updates actually match
			its filter.

			When SetDiscoveryFilter is called multiple times by the
			same client, last filter passed will be active for
			given client.

			SetDiscoveryFilter can be called before StartDiscovery.
			It is useful when client will create first discovery
			session, to ensure that proper scan will be started
			right after call to StartDiscovery.

			Possible errors: org.bluez.Error.NotReady
					 org.bluez.Error.NotSupported
					 org.bluez.Error.Failed


*/
func (a *Adapter1) SetDiscoveryFilter(filter map[string]interface{}) error {
	
	return a.client.Call("SetDiscoveryFilter", 0, filter).Store()
	
}

/*
GetDiscoveryFilters 
			Return available filters that can be given to
			SetDiscoveryFilter.

			Possible errors: None


*/
func (a *Adapter1) GetDiscoveryFilters() ([]string, error) {
	
	var val0 []string
	err := a.client.Call("GetDiscoveryFilters", 0, ).Store(&val0)
	return val0, err	
}

/*
ConnectDevice 
			This method connects to device without need of
			performing General Discovery. Connection mechanism is
			similar to Connect method from Device1 interface with
			exception that this method returns success when physical
			connection is established. After this method returns,
			services discovery will continue and any supported
			profile will be connected. There is no need for calling
			Connect on Device1 after this call. If connection was
			successful this method returns object path to created
			device object.

			Parameters that may be set in the filter dictionary
			include the following:

			string Address

				The Bluetooth device address of the remote
				device. This parameter is mandatory.

			string AddressType

				The Bluetooth device Address Type. This is
				address type that should be used for initial
				connection. If this parameter is not present
				BR/EDR device is created.

				Possible values:
					"public" - Public address
					"random" - Random address

			Possible errors: org.bluez.Error.InvalidArguments
					 org.bluez.Error.AlreadyExists
					 org.bluez.Error.NotSupported
					 org.bluez.Error.NotReady
					 org.bluez.Error.Failed


*/
func (a *Adapter1) ConnectDevice(properties map[string]interface{}) (dbus.ObjectPath, error) {
	
	var val0 dbus.ObjectPath
	err := a.client.Call("ConnectDevice", 0, properties).Store(&val0)
	return val0, err	
}

